Commitments and Contingencies - Narrative (Details) $ in Thousands	12 Months Ended	13 Months Ended
	Dec. 31, 2025 USD ($) aircraft	Feb. 12, 2026 aircraft	Dec. 31, 2024 USD ($)
Long-term Purchase Commitment [Line Items]
Number of aircraft on order with manufacturers | aircraft	218
Purchase obligation	$ 12,551,063
Purchase agreements, termination commencement period	1 year
Minimum aircraft delivery delays that could trigger lessee cancellation clauses	1 year
Net book value of leases located in China, percentage	0.80%
Non-refundable deposits on aircraft	$ 1,052,141		$ 761,438
Subsequent Event
Long-term Purchase Commitment [Line Items]
Number of aircrafts expected to be subject to tariffs | aircraft		0
Minimum
Long-term Purchase Commitment [Line Items]
Revised delivery dates, delayed period	1 month
Maximum
Long-term Purchase Commitment [Line Items]
Revised delivery dates, delayed period	2 months
Aircrafts
Long-term Purchase Commitment [Line Items]
Non-refundable deposits on aircraft	$ 1,100,000		$ 800,000